Pros

Pro

Cordova plugins

Large quantity of plugins to access native APIs without code nothing in native language.

Pro

Free and open source

Ionic is free to use and open source, resulting in an active and helpful community of users and contributors.

Pro

Large, friendly and active community

Ionic Framework is currently one of the most popular frameworks for hybrid mobile app development. This has resulted in a very large community of active users who contribute to the community by writing tutorials and answering questions.

Cons

Con

Can be buggy

Ionic is still a young framework (version 1.0 was released in May 2015). There are still some quirks and bugs in the framework to work out, which you can see a list of on their Github.However Ionic is under active development and bugs are generally addressed quickly.